"Western Digital Unveils World's First 4TB SD Card for High-Capacity Storage"
Western Digital previews the industry's first 4 TB SD card at the NAB trade show, set for commercial release in 2025. The SanDisk Extreme Pro SDUC 4 TB SD card complies with the SDUC standard, uses the UHS-I interface, and is rated for speed Class 10 and Video Speed Class V30, making it suitable for 8K video recording. The card's NAND and pricing details have not been disclosed, but it is expected to utilize the forthcoming BiCS 9 NAND and may support the off-spec DDR200/DDR208 mode for higher transfer rates.